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Communication: FOURTH PERIOD

A randomized 25 question test from a pool of 761 questions, good luck!
Which component of a wired Ethernet network has provisions for interfacing with the OSI model physical and data link layer?
There are numerous function block modes which are permitted. Which of the modes below is best described as the mode the function block desires to be in?
In data transmission, a defined area of geographical coverage is commonly called an area network. Which of the area networks below is the second largest in area covered?
IPv4 network classes can also be defined by the IP address they use. Which of the answers corresponds best to the address in row "I"?
A defined area of geographical coverage is commonly called an area network. Which of the area networks below is the smallest in area covered?
There are several layers in the DCS architecture. Which of the levels below would have direct control over the ESD system?
There are numerous I/O modules that a typical DCS has access to. Which of the modules below is described as one that allows for a data connection to other networks, or RTUs and PLCs?
Parameter settings program the behavior of the function block. Which of the parameters below can be described as one that transmits data to another block?
There are several data access methods used to transmit data. Which of the answers below can be described as a method that systematically allows for devices to initiate communication?
The OSI model describes how a network should be arranged. Which of the layers below defines the network hardware and electrical signalling method of a network?
Modbus protocol can implement data encapsulation over IP based networks. Which of the statements below is an advantage of using encapsulation?
Which of the recommended standards below would be best described as an unbalanced transmission system?
Modbus has standard command codes to allow the master to access information from it's slaves. Which of the commands below would be used to write the contents of two output holding registers # 40002 & 40003 to the slave device
IPv4 addresses are expressed in four components. Which of the terms below is used to name those four components?
I to P converters are best defined as which of the following answers?
All the wired network components interact with ISO layers. Which of the answers below reflects the ISO layers that the hub interacts with?
The design and utilization of a SCADA system requires the approval of several layers of government. Which of the terms below would best be described as what a regulatory body would define and enforce?
Which of the answers below best describes the transmission mode of data between a DTE and a DCE?
Sometimes a controller module cannot execute the logic that is required. Which of the subsystems below would be able to execute this logic?
SCADA systems have been integrated with various industrial processes. Which of the answers below is best defined as the industry best suited to integrate a SCADA system?
An industrial network can, with a set of configured rules, scan network traffic flow for security issues. Which of the terms below best represents this type of security measure?
There are many versions of Modbus, one of those is Modbus ASCII. Which of the answers below correctly orders the components of the Modbus ASCII frame?
There are many options to choose from for alarm types. Which of the following alarm states can be best described as when the appropriate action is taken, the alarm does not return to normal?
DCS commonly is considered a computerised control system for a plant that has central operator supervisory control. Which of the terms below is best described as controllers and operator stations that are separated physically from the central control system?
There are many versions of Modbus, one of those is Modbus RTU. Which of the answers below correctly orders the components of the Modbus RTU frame?